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Screen-Printed Chipless Wireless Temperature Sensor
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DOI：10.1109/JSEN.2019.2940836.png)
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Abstract
En 中文
A chipless wireless sensor for temperature monitoring is described in this work. The sensor is fabricated by screen printing of an RLC circuit on a flexible substrate. The sensing element is a resistive carbon paste with positive temperature coefficient placed in a small area in the interconnection between the inductor and the capacitor. This sensing layer modifies the resonance frequency of the circuit when the temperature varies. We also show the influence of the sensor sensitivity with respect to the reading distance.
Keywords:
Temperature measurement
Resonant frequency
Temperature sensors
Impedance
Resistance
RLC circuits
Frequency measurement
Coupling distance
flexible substrate
RLC circuit
resonance frequency
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